CN105065836A - Heating system of intelligent fluid conveying pipeline - Google Patents
Heating system of intelligent fluid conveying pipeline Download PDFInfo
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- CN105065836A CN105065836A CN201510481108.1A CN201510481108A CN105065836A CN 105065836 A CN105065836 A CN 105065836A CN 201510481108 A CN201510481108 A CN 201510481108A CN 105065836 A CN105065836 A CN 105065836A
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- fixing device
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- transport pipe
- temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a heating system of an intelligent fluid conveying pipeline. The heating system comprises a heating device, a control device and a power supply device. The heating device comprises the fluid conveying pipeline; heat energy generated by alternating current flowing through the fluid conveying pipeline is used by the heating device to heat liquid media in the liquid conveying pipeline in cooperation with the skin effect; the control device generates a control signal according to a received control instruction and is used for controlling the working state of the heating device; and the power supply device is used for supplying power to the heating device and the control device, electric energy can be effectively converted into heat energy by utilizing impedance, electromagnetic induction, the proximity effect and the skin effect of the alternating current flowing through the heating device, and the control device effectively controls the working state of the heating device. According to needs, the distance and the temperature of heating/heat tracing can be freely controlled according to needs. Construction is simple, operation is convenient, the stabilizing time is long, and the fluid conveying pipeline can be better heated.
Description
Technical field
The present invention relates to process pipelines and accompany hot field, in particular to a kind of heating system of intelligent transfusion pipeline.
Background technique
Liquid-transport pipe-line is used for fluid transfer (as oil), in order to facilitate exploitation and the transmission engineering of oil.But be in the liquid-transport pipe-line of cold area, when temperature is lower, the fluid transfer of its inside easily freezes, and affects normal petroleum works.
Therefore in order to solve the problem, in order to prevent and solve the problem, correlation technique provides a kind of heating system of liquid-transport pipe-line, namely use steam or hotwater tracing; Specific as follows: to produce steam and/or hot water by heating system, then steam and/or hot water are passed in fixing device TRACER road, in order to be carried out supplementary coagulating liq medium institute's dispersed heat in technological process by the heat radiation of steam and/or hot water, thus prevent liquid medium from condensing and the liquid medium condensed being reduced into liquid, with the flowing state of maintenance medium body medium and rational technological temperature.But, which is because the temperature gradient of steam is large, heat-stable time is shorter, wayward its of whole system can be caused waste energy, and this system is due to needs two pipelines realization heating, and supporting steam/heat homogeneous solution-type reactor and condensate-water polishing process, make difficulty of construction large, seriously polluted.
In addition, correlation technique additionally provides a kind of heating system of liquid-transport pipe-line, namely adopts resistance type electric-heating belt to carry out companion's heat.Wherein, resistance type electric-heating belt is divided into two kinds of forms substantially: a kind of is the characteristic relying on ptc material positive temperature coefficient, and its inner carbon black track producing particle spacing increases gradually when temperature is raised, and resistance increases thereupon, and heating power decreases; Otherwise resistance reduction, power increase, to realize accompanying hot object when temperature declines.Another kind is the resistance heating relying on wire self, and firm power exports, to realize accompanying hot object.Electrical tracing is compared with steam (hot water), and reliability is high, No leakage, saving water resource, but resistance type electrical tracing is with the restriction using length, if exceed certain length, needs to increase more supply terminals.Therefore, when longer by the process pipelines length of companion's heat, supply terminals quantity supporting with it also can correspondingly increase, and not only cost is high, and potential faults point is many, maintenance difficulties increases
Inventor finds under study for action, all undesirable in the problem of heating system liquid medium easy freezing in the liquid-transport pipe-line solving cold area of intelligent transfusion pipeline of the prior art, for this problem, not yet has good settling mode at present.
Summary of the invention
The object of the present invention is to provide a kind of heating system of intelligent transfusion pipeline, the Distance geometry thermal source of accompanying heat can be controlled arbitrarily as required, and it is simple, easy to operate to construct, and the stable time is longer, can better heat liquid-transport pipe-line.
First aspect, embodiments provides a kind of heating system of intelligent transfusion pipeline, it is characterized in that, comprising: heating equipment, control gear and power supply unit; Described heating equipment comprises liquid-transport pipe-line;
Described heating equipment, for the heat energy utilizing the alternating current (a.c.) flowing through described liquid-transport pipe-line to produce, and heats the liquid medium in described liquid-transport pipe-line in conjunction with Skin effect;
Control gear, when the heating system of described intelligent transfusion pipeline powers on, generates control signal, for controlling the working state of described heating equipment according to the control command received;
Power supply unit, for powering for described heating equipment and described control gear.
In conjunction with first aspect, embodiments provide the first possible mode of execution of first aspect, wherein, described heating equipment comprises two fixing devices and high-temperature cable; Described fixing device comprises: head end fixing device and tail end fixing device;
Two described fixing devices are separately positioned on head end and the tail end of described liquid-transport pipe-line, and become predetermined angle to arrange with described liquid-transport pipe-line; One end of described high-temperature cable is electrically connected with described control gear by described head end fixing device, and its other end passes the inside of described liquid-transport pipe-line and enters described tail end fixing device and be fixedly connected with described tail end fixing device.
In conjunction with first aspect, embodiments provide the mode of execution that the second of first aspect is possible, wherein, described heating equipment comprises the carrier liquid-transport pipe-line of two preset length, fixing device and high-temperature cable; Described fixing device comprises: head end fixing device and tail end fixing device;
Described carrier liquid-transport pipe-line is provided with a described head end fixing device and a described tail end fixing device, and described head end fixing device becomes predetermined angle to arrange with described tail end fixing device with described carrier liquid-transport pipe-line; Described carrier liquid-transport pipe-line is used for and described liquid-transport pipe-line Flange joint; One end of described high-temperature cable is electrically connected with described control gear by head end fixing device, and its other end passes a described carrier liquid-transport pipe-line, enters described tail end fixing device and be fixedly connected with described tail end fixing device.
In conjunction with the first possible mode of execution of first aspect or the possible mode of execution of the second, embodiments provide the third possible mode of execution of first aspect, wherein, described high-temperature cable comprises: cable core, isolation layer, mask net and oversheath;
Mask net is set outside described cable core isolation layer in order to improve tensile strength and the elongation percentage of described cable; Described mask net outer cover is connected to described oversheath, in order to protect the impact of described cable shield and insulation opposing liquid.
In conjunction with the third possible mode of execution of first aspect, embodiments provide the 4th kind of possible mode of execution of first aspect, wherein, the heating system of described intelligent transfusion pipeline also comprises sealed member;
Described head end fixing device and described tail end fixing device include an opening end; Opening end described in each is provided with one or more described sealed member, for described opening end sealing being arranged.
In conjunction with the 4th kind of possible mode of execution of first aspect, embodiments provide the 5th kind of possible mode of execution of first aspect, wherein, described sealed member is seal ring;
Described head end fixing device inside is provided with the hollow chamber matched with described seal ring, and described seal ring, as in described hollow chamber, extrudes described head end fixing device and described high-temperature cable; Described high-temperature cable is used for through described hollow chamber, is electrically connected with described control gear;
Described tail end fixing device inside is provided with the hollow chamber matched with described seal ring, and described seal ring, as in described hollow chamber, extrudes described tail end fixing device and described high-temperature cable; Described high-temperature cable is for being fixedly installed on described tail end fixing device through described hollow chamber.
In conjunction with the 5th kind of possible mode of execution of first aspect, embodiments provide the 6th kind of possible mode of execution of first aspect, wherein, the heating system of described intelligent transfusion pipeline also comprises thermal insulation layer;
The outer installment of described liquid-transport pipe-line has described thermal insulation layer, is filled with thermal insulating material in described thermal insulation layer, in order to reduce liquid-transport pipe-line rate of heat removal and heat radiation time.
In conjunction with the 6th kind of possible mode of execution of first aspect, embodiments provide the 7th kind of possible mode of execution of first aspect, wherein, the heating system of described intelligent transfusion pipeline also comprises Spot Cooling terminated line case;
High-temperature cable in described heating equipment is electrically connected with described control gear by described Spot Cooling terminated line case, and described Spot Cooling terminated line case is used for the temperature of described high-temperature cable to be adjusted to normal temperature temperature.
In conjunction with first aspect, embodiments provide the 8th kind of possible mode of execution of first aspect, wherein, control gear comprises:
Temperature control modules, for generating the control signal corresponding with arranging instruction according to the instruction that arranges received;
Power conditioning module, for regulating the output power of alternating current (a.c.) according to control signal.
In conjunction with the 8th kind of possible mode of execution of first aspect, embodiments provide the 9th kind of possible mode of execution of first aspect, wherein, control gear also comprises:
At least one temp probe; Temp probe is arranged on liquid-transport pipe-line, for the temperature information of Real-time Obtaining liquid-transport pipe-line;
Temperature transducer, for the temperature information of the liquid-transport pipe-line that real-time reception temp probe sends;
Control gear also comprises alarm module and power supply protection circuit;
Power supply protection circuit, when detecting that the electric current in normal work exceedes preset range, sends information to temperature control modules;
Temperature control modules, generates alarm command according to the information received and/or when detecting that temperature information does not mate with preset temperature information, generates alarm command;
Alarm module, for reporting to the police according to alarm command;
Control gear also comprises communication module, for realizing data communication with remote control terminal; Wherein, remote control terminal is used for real-time reception and shows the data information of the control gear that communication module sends, and monitors and telecontrol control gear according to data information.
The heating system of a kind of intelligent transfusion pipeline that the embodiment of the present invention provides, the heat energy that the alternating current (a.c.) adopting heating equipment utilization to flow through self produces, and in conjunction with Skin effect, the liquid medium in liquid-transport pipe-line is heated, control gear, when the heating system of intelligent transfusion pipeline powers on, generates the working state of control signal to heating equipment according to the control command received and controls, power supply unit, for powering for heating equipment and control gear, solving compared with problem all undesirable in the problem of the waterproof liquid-transport pipe-line easy freezing of cold area with the heating system of intelligent transfusion pipeline of the prior art, it makes use of the impedance of the alternating current (a.c.) passed through in heating equipment, electromagnetic induction, electric energy is converted to heat energy by proximity effect and Skin effect effectively, thus heat for liquid-transport pipe-line, and effectively the working state (as heating power etc.) of heating equipment is controlled by control gear, it controls arbitrarily the Distance geometry temperature heating/accompany heat as required, and construction is simple, easy to operate and stabilization time is longer, can better heat liquid-transport pipe-line.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of the heating system of a kind of intelligent transfusion pipeline that the embodiment of the present invention provides;
Fig. 2 shows the structural representation of the heating system of the another kind of intelligent transfusion pipeline that the embodiment of the present invention provides;
Fig. 3 shows the structural representation of high-temperature cable in the heating system of a kind of intelligent transfusion pipeline that the embodiment of the present invention provides;
Fig. 4 shows the sectional view in the heating system of a kind of intelligent transfusion pipeline that the embodiment of the present invention provides, liquid-transport pipe-line being provided with fixing device and sealed member;
Fig. 5 shows the sectional view of fixing device and sealed member in the heating system of a kind of intelligent transfusion pipeline that the embodiment of the present invention provides;
Fig. 6 show the embodiment of the present invention the structural representation of control gear in a kind of heating system of intelligent transfusion pipeline is provided.
Primary component symbol description:
11, liquid-transport pipe-line; 12, heating equipment; 13, control gear; 14, power supply unit; 15, fixing device; 16, high-temperature cable; 17, carrier liquid-transport pipe-line; 18, cable body; 19, mask net; 20, protecting cover; 21, sealed member; 22, thermal insulation layer; 23, Spot Cooling terminated line case; 24, remote control terminal; 26, cable core; 27, insulating protective layer; 28, flange; 29, hollow chamber; 131, temperature control modules; 132, power conditioning module; 133, temp probe; 134, temperature transducer; 135, alarm module; 136, communication module.
Embodiment
The heating system (also can be called the direct heating system of K-SG Intelligent electric induction liquid-transport pipe-line net) of a kind of intelligent transfusion pipeline provided by the invention, native system technique is poor for extremely frigid zones crude oil property, block disperses, ground construction is difficult, away from oily district, rely on the features such as condition difference, simplifies system process, improves system effectiveness.Especially for oil, gas than low, associated gas deficiency in oil field self need draw the block of outer gas, adopts K-SG to respond to gathering-transferring technology and realizes single tube oil-collecting, can become peripheral " three is low " oil field and realize the defeated efficient means of economic collection.
Carry out lastingly oil uninterruptedly, safely for meeting, gas collects and process, avoid collecting oil gas evaporation in defeated process, the oil of emptying or other process procedures, gas loss and consumable, sealed mode K-SG heating system is optimal selection.
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, belongs to the scope of protection of the invention.
With reference to figure 1, the invention provides a kind of heating system of intelligent transfusion pipeline, comprising: heating equipment 12, control gear 13 and power supply unit 14; Wherein, heating equipment 12 comprises liquid-transport pipe-line 11;
Heating equipment 12, for the heat energy utilizing the alternating current (a.c.) flowing through liquid-transport pipe-line 11 to produce, and heats the liquid medium in liquid-transport pipe-line 11 in conjunction with Skin effect;
Control gear 13, when the heating system of intelligent transfusion pipeline powers on, generates control signal, for controlling the working state of heating equipment 12 according to the control command received;
Power supply unit 14, for powering for heating equipment 12 and control gear 13.
The heating system of a kind of intelligent transfusion pipeline that the embodiment of the present invention provides, solving compared with problem all undesirable in the problem of waterproof liquid-transport pipe-line 11 easy freezing of cold area with the heating system of intelligent transfusion pipeline of the prior art, it makes use of the impedance of the alternating current (a.c.) passed through in heating equipment 12, electromagnetic induction, electric energy is converted to heat energy by proximity effect and Skin effect effectively, thus heat for liquid-transport pipe-line 11, and effectively the working state (as heating power etc.) of heating equipment 12 is controlled by control gear 13, it controls arbitrarily the Distance geometry temperature heating/accompany heat as required, and construction is simple, easy to operate and stabilization time is longer, can better heat liquid-transport pipe-line 11.
In the present embodiment, the heating system of intelligent transfusion pipeline provided by the invention, it makes use of impedance, electromagnetic induction, proximity effect and Skin effect and electric energy is converted to heat energy effectively, thus heat for liquid-transport pipe-line 11, and this heating system can control arbitrarily the Distance geometry thermal source of accompanying heat as required, and it is simple, easy to operate to construct, and the stable time is longer, can rapidly and efficiently heat liquid-transport pipe-line 11.
Below the principle of Skin effect (also can be called skin effect) is simply introduced:
1, when applying alternating voltage to conductor, electric current flows through from its outer surface, and its center does not have electric current to flow through.If 2 are considered as conductor center hollow, and alternating voltage is applied to inner tube wall surface, then its outer surface does not have electric current to flow through.
First, by the system of the embodiment of the present invention, the temperature that the liquid that can effectively keep liquid-transport pipe-line 11 to export is being preset, if preset temperature is 50 DEG C, then when detecting that liquid that liquid-transport pipe-line 11 exports does not reach this temperature (as being only 45 DEG C), can effectively heat the liquid in liquid-transport pipe-line 11, this process is companion's heat; And by the heating liquid condensed in liquid-transport pipe-line 11 to preset temperature, or the cryogenic temperature (as 0 DEG C) in liquid-transport pipe-line 11 being adjusted to the mode of the preset temperature of 50 DEG C, this process is heating.Therefore " heating system of the intelligent transfusion pipeline of liquid-transport pipe-line 11 " of the present invention can be " heating/tracing system of intelligent transfusion pipeline 11 ".
The heating system (also can be called that K-SG Intelligent electric induction liquid-transport pipe-line 11 nets direct heating system) of intelligent transfusion pipeline provided by the invention, its working principle integrates multiple principle and the physical phenomenons such as impedance, electromagnetic induction, Skin effect, proximity effect, and electric energy is converted to heat energy effectively.
Concrete, when the heating system of intelligent transfusion pipeline powers on, have electric current in heating equipment 12 to flow through, when electric current flows through conductor (i.e. fixing device 15 hereinafter described and liquid-transport pipe-line 11 in the present embodiment), produce magnetic flux, produce equivalent heat energy when paramagnetic is returned with inverse magnetic thus.Due to the difference of electromagnetic intensity, electric energy conversion is heat energy by the penetrability that the magnetic hysteresis of irreversible generation and foucault current phenomenon are formed, and these phenomenons are referred to as electromagnetic induction.Then the tube wall heat energy of generation being focused on liquid-transport pipe-line 11 by Skin effect is with thinking that liquid-transport pipe-line 11 heats or directly for the liquid medium in liquid-transport pipe-line 11 heats.
Magnetic induction heated multipurpose is in industrial inductor, and native system is exactly by this induction of research, when not changing frequency, makes this magnetic induction reach very high phase transition temperature.K series heating system power supply point of our development can be 20 kilometers of liquid-transport pipe-line 11 lines heating, and most high maintenance temperature can reach 230 DEG C, and the anti-condensation solution being successfully applied to gathering system solidifying on.
When electric current in two conductors each other reverse flow time, electric current can concentrate on conductor adjacent side flowing, native system is exactly this physical property utilizing conductor, makes K system cloud gray model safe and reliable.
Control gear in the present embodiment 13 is for controlling the working state of heating equipment 12, user can to control gear 13 sending controling instruction, the control signal that control gear 13 generates according to the control command received, and according to control signal, heating equipment 12 is controlled.Wherein, whether the working state of heating equipment 12 can be expressed as heating equipment 12 in running order, the heating power etc. of heating equipment 12.
In addition, also powered for heating equipment 12 by power supply unit 14 in the embodiment of the present invention, be heating equipment 12 and alternating current (a.c.) is provided; And power for control gear 13, to ensure that heating equipment 12 and control gear 13 normally work.
Wherein, the cable between control gear 13 and heating equipment 12 and between control gear 13 and power supply unit 14 is socketed by sleeve pipe, in order to protect conjunction cable.
Further, with reference to figure 1, in the heating system of this intelligent transfusion pipeline, heating equipment 12 comprises two fixing devices 15 and high-temperature cable 16; Fixing device 15 comprises: head end fixing device and tail end fixing device;
Two fixing devices 15 are separately positioned on the two ends (being preferably head end and tail end) of liquid-transport pipe-line 11, and arrange with liquid-transport pipe-line 11 one-tenth predetermined angle; One end of high-temperature cable 16 is electrically connected with control gear 13 by head end fixing device, and its other end passes the inside of liquid-transport pipe-line 11 and enters tail end fixing device and be fixedly connected with tail end fixing device.
In the present embodiment, the material of fixing device 15 preferably adopts carbon steel that is firm, thick tube wall to make, and it is used for heating and accompanying hot better effects if.This fixing device 15 can be welded on liquid-transport pipe-line 11 by the mode of welding, also can be fixed on liquid-transport pipe-line 11 by directly fixing mode, as long as ensure that fixing device 15 is connected and connection part good airproof performance with liquid-transport pipe-line 11.
Preferably, with reference to figure 1, two fixing devices 15 are welded with one end angle in an acute angle nearer apart from liquid-transport pipe-line 11 and are arranged, now, fixing device 15 is connected with liquid-transport pipe-line 11, the high-temperature cable 16 be now connected with control gear 13 one end through the inwall of a fixing device 15, liquid-transport pipe-line 11 and another fixing device 15, and is fixedly connected with another fixing device 15.So over the whole system during electricity, alternating current (a.c.) can be produced in high-temperature cable 16, and convert electrical energy into heat energy by electromagnetic induction, being tube wall heat being concentrated on liquid-transport pipe-line 11 by Skin effect, is the heating liquid of its inside in order to make liquid-transport pipe-line 11; Or T cable is through the center of fixing device 15, liquid-transport pipe-line 11 and another fixing device 15, and is fixedly connected with another fixing device 15.So over the whole system during electricity, can alternating current (a.c.) be produced in high-temperature cable 16, and convert electrical energy into heat energy by electromagnetic induction, thus be the heating liquid in liquid-transport pipe-line 11.
Said structure needs staff to install liquid-transport pipe-line 11 at the scene, and in conjunction with actual, possible in-site installation liquid-transport pipe-line 11 has a lot of inconvenience, therefore present invention also offers a kind of structure, with reference to figure 2, as follows:
With reference to figure 2, the heating system of this intelligent transfusion pipeline, heating equipment 12 comprises the carrier liquid-transport pipe-line 17 of two preset length, fixing device 15 and high-temperature cable 16; Fixing device 15 comprises: head end fixing device and tail end fixing device;
Carrier liquid-transport pipe-line 17 is provided with a head end fixing device and a tail end fixing device, and head end fixing device and tail end fixing device and carrier liquid-transport pipe-line 17 one-tenth predetermined angle are arranged; Carrier liquid-transport pipe-line 17 is for being connected by flange 28 with liquid-transport pipe-line 11; One end of high-temperature cable 16 is electrically connected with control gear 13 by head end fixing device, and its other end enters tail end fixing device through carrier liquid-transport pipe-line 17, the inwall of liquid-transport pipe-line 11, another carrier liquid-transport pipe-line 17 and is fixedly connected with liquid-transport pipe-line with tail end fixing device.
In the present embodiment, use a carrier liquid-transport pipe-line 17, the preset length of this carrier liquid-transport pipe-line 17 can be arranged as required; A fixing device 15 is set by each carrier liquid-transport pipe-line 17, and fixing device 15 is arranged with liquid-transport pipe-line 11 one-tenth predetermined angle, as sharp angle, as right angle or obtuse angle angle.Now, two the carrier liquid-transport pipe-lines 17 and the high-temperature cable 16 that pre-set fixing device 15 form portable entirety; This entirety in use, can be carried to preset location, and by two carrier liquid-transport pipe-lines 17 respectively with the two ends Flange joint of liquid-transport pipe-line 11; Then the high-temperature cable 16 be connected with control gear 13 one end through the inwall of a fixing device 15, carrier liquid-transport pipe-line 17, liquid-transport pipe-line 11, another liquid-transport pipe-line 11 carrier and another fixing device 15, and is fixedly connected with another fixing device 15; So over the whole system during electricity, alternating current (a.c.) can be produced in high-temperature cable 16, and converting electrical energy into heat energy by electromagnetic induction, the tube wall utilizing Skin effect heat to be concentrated on liquid-transport pipe-line 11 heats, so that liquid-transport pipe-line 11 is the heating liquid of its inside for liquid-transport pipe-line 11; Or T cable is through a fixing device 15, carrier liquid-transport pipe-line 17, the center of liquid-transport pipe-line 11, another liquid-transport pipe-line 11 carrier and another fixing device 15, and is fixedly connected with another fixing device 15.So over the whole system during electricity, can alternating current (a.c.) be produced in high-temperature cable 16, and convert electrical energy into heat energy by electromagnetic induction, thus be the heating liquid in liquid-transport pipe-line 11.The structure of heating equipment 12 can realize by this structure in the factory, and eliminates the inconvenience of constructing at the scene.
Further, with reference to figure 3, in the heating system of this intelligent transfusion pipeline, high-temperature cable 16 (being commonly called as " ST cable ") comprising: cable body 18, cable insulation 19, mask net 20 and protecting cover 21;
Cable body 18 outer installment has mask net 19, in order to improve tensile strength and the elongation percentage of cable body 18; Mask net 19 outer cover is connected to protecting cover 20, in order to the impact protecting cable body 18 to resist liquid.
High-temperature cable 16 in the present embodiment is also special cable, its good conductivity, and current density is large, and can prevent the impact of liquid in liquid-transport pipe-line 11.
Concrete, heating K cable is at pipe interior, and compared with other mode of heatings, heat energy does not have loss, has all been directly passed to medium, the most energy-conservation.Further, the high-temperature cable 16 in the present embodiment adopts fluoropolymer to insulate and protection, and Multi-layer design, has high temperature resistant and anticorrosion properties.
Wherein, mask net 19 is preferably the stainless steel that coverage scale is 95%, and the setting of this mask net 19 improves high-temperature cable 16 tensile strength in the presence of a harsh environment and elongation percentage.Preferably, the material of high-temperature cable 16 is copper, and its intensity is good, and is convenient to make.
In the present embodiment, cable body 18 (i.e. T cable) comprises body shell and cable core 26; Cable core 26 is one or multiply, and body casing is connected on cable core 26; Insulating protective layer 27 is provided with, in order to protect cable core 26 and to make cable core 26 insulate between cable core 26 and body shell.
T cable in the present embodiment is also special, and it comprises body shell and cable core 26; Preferably, cable core 26 is multiply cable core 26, and body shell is insulating sheath; In addition, between the cable core 26 in the present embodiment and body shell, be also provided with insulating protective layer 27, in the present embodiment, be preferably transparent insulation protective coating 27, in order to protect described cable core 26 further and to increase the insulating properties of described cable core 26.
Further, with reference to figure 1 and Fig. 2, the heating system of this intelligent transfusion pipeline also comprises metal sealing part 21; Head end fixing device and described tail end fixing device include an opening end; Opening end described in each is provided with one or more described sealed member 21, for described opening end sealing being arranged.
Sealed member in the present embodiment is preferably metal material, and it can be copper, easy to make and simple, and sealing best results.
Further, with reference to figure 4 and Fig. 5, the heating system of this intelligent transfusion pipeline also comprises Sealing; Described sealed member 21 is seal ring;
Described head end fixing device inside is provided with the hollow chamber 29 matched with described seal ring, and described seal ring, as in described hollow chamber 29, extrudes described head end fixing device and described high-temperature cable; Described high-temperature cable is used for through described hollow chamber 29, is electrically connected with described control gear;
Described tail end fixing device inside is provided with the hollow chamber 29 matched with described seal ring, and described seal ring, as in described hollow chamber 29, extrudes described tail end fixing device and described high-temperature cable; Described high-temperature cable is for being fixedly installed on described tail end fixing device through described hollow chamber 29.
Or metal sealing part 21 comprises: the first metal sleeve of both ends open and the second metal sleeve of one end open; First metal sleeve is socketed in the position of distance fixing device 15 predeterminable range; Second metal sleeve is socketed on fixing device 15 mouth of pipe, for by fixing device 15 ferrule; Fixing device 15 ferrule is arranged by Sealing by the first metal sleeve and the second metal sleeve.
Concrete, the first metal sleeve and the second metal sleeve all part are socketed on Sealing, in the process of sealing, the first metal sleeve and the second metal sleeve are firmly extruded towards same central point, better with guarantee sealing effect.
Further, with reference to figure 1 and Fig. 2, the heating system of this intelligent transfusion pipeline also comprises thermal insulation layer 22; The outer installment of liquid-transport pipe-line 11 has thermal insulation layer 22, is filled with thermal insulating material in thermal insulation layer 22, in order to reduce liquid-transport pipe-line 11 rate of heat removal and heat radiation time; Thermal insulating material at least comprises the one in following material: be continuous and glass wool.
Concrete, in order to ensure that the temperature in liquid-transport pipe-line 11 not easily spreads, there is thermal insulation layer 22 in the outer installment of liquid-transport pipe-line 11, in thermal insulation layer 22, filling the materials such as continuous and glass wool, in order to realize the effect of insulation.
Further, with reference to figure 1 and Fig. 2, the heating system of this intelligent transfusion pipeline also comprises: Spot Cooling terminated line case 23;
High-temperature cable 16 in heating equipment 12 is electrically connected with control gear 13 by Spot Cooling terminated line case 23, and Spot Cooling terminated line case 23 is for being adjusted to normal temperature temperature by the temperature of high-temperature cable 16.
Consider when the temperature difference is larger, directly access heating equipment 12 by the rear heating cable of electric current and carry out the situation that heating can damage cable, in the present embodiment, be provided with Spot Cooling terminated line case 23, the temperature of high-temperature cable 16 was adjusted to normal temperature temperature by it before accessing heating equipment 12 at high-temperature cable 16, with the working life of high-temperature cable 16 of delaying.
Further, with reference to figure 6, in the heating system of this intelligent transfusion pipeline, control gear 13 comprises:
Temperature control modules 131, for generating the control signal corresponding with arranging instruction according to the instruction that arranges received;
Power conditioning module 132, for regulating the output power of alternating current (a.c.) (also can be called heating current) according to control signal.
Concrete, control gear 13 thinks core control portions for the present invention, what it can send according to user arranges instruction, produce the control signal corresponding with arranging instruction, then control according to this control signal the output power that power conditioning module 132 regulates heating current, to control the heating-up temperature for liquid-transport pipe-line 11.
Further, with reference to figure 6, in the heating system of this intelligent transfusion pipeline, control gear 13 comprises:
At least one temp probe 133; Temp probe 133 is arranged on liquid-transport pipe-line, for the temperature information of Real-time Obtaining liquid-transport pipe-line 11;
Temperature transducer 134, for the temperature information of the liquid-transport pipe-line 11 that real-time reception temp probe 133 sends;
Control gear 13 also comprises alarm module 135 and power supply protection circuit;
Power supply protection circuit, when detecting that the electric current in normal work exceedes preset range, sends information to temperature control modules 131;
Temperature control modules 131, generates alarm command according to the information received and/or when detecting that temperature information does not mate with preset temperature information, generates alarm command;
Alarm module 135, for reporting to the police according to alarm command;
Control gear 13 also comprises communication module 136, for realizing data communication with remote control terminal 24; Wherein, remote control terminal 24 is for real-time reception and show the data information of control gear 13 that communication module 136 sends, and monitors and telecontrol control gear 13 according to data information.
Concrete, temp probe 133 is arranged on and is positioned in liquid-transport pipe-line 11 on liquid-transport pipe-line 11 or by temp probe 133, the temperature information of Real-time Collection liquid-transport pipe-line 11, and the temperature information of collection is sent to temperature transducer 134.
Concrete, temperature control modules 131 is electrically connected with temperature transducer 134, its inside is previously provided with the presupposed information in liquid-transport pipe-line 11, and when detecting that the temperature information of temperature transducer 134 does not mate with preset temperature information, generate alarm command, and control warning device warning according to alarm command.
In addition, the Intelligent heating system of this novel infusion pipeline 11, also by power supply unit 14, whole Intelligent heating system is powered, concrete, power supply unit 14 is electrically connected with control gear 13 by the conjunction cable 19 be placed in protecting tube, for being that the power supply unit 14 of predeterminated voltage is powered for control gear 13 by the power adjustment of reception; Power supply protection circuit, for the working current value of Real-Time Monitoring Intelligent heating system, and when working current value exceeds preset range, sends information to temperature control modules 131, reports to the police so that temperature control modules 131 controls warning device according to information.
In the present embodiment, power supply unit 14 is for being preferably transformer, and the supply voltage of the outside of reception is set to the voltage needed for native system by it, then for whole system is powered, in order to ensure the normal operation of whole system.
In addition, in the present embodiment, also by power supply protection circuit, Real-Time Monitoring is carried out to the working condition of whole system, and under the condition exceeding normal work, prompting control gear 13, reports to the police so that control gear 13 controls warning device.
Brief description is carried out to the overall work principle of Intelligent heating system and application that the invention provides liquid-transport pipe-line below:
The Intelligent heating system of liquid-transport pipe-line provided by the invention is K-OT electric induction intelligence oil/water liquid-transport pipe-line heating system, and it integrates the multiple physical phenomenons such as impedance, electromagnetic induction, proximity effect, and electric energy is converted to heat energy effectively.
When electric current flows through conductor, cause magnetic flux, produce equivalent heat energy when paramagnetic is returned with inverse magnetic thus.Due to the difference of magnetic induction intensity, electric energy conversion is heat energy by the penetrability that the magnetic hysteresis of irreversible generation and foucault current phenomenon are formed, and these are referred to as magnetic induction.
Magnetic induction heated multipurpose is in industrial inductor, and the present invention is then based on above-mentioned magnetic induction etc., when not changing frequency, makes this magnetic induction reach very high phase transition temperature.K provided by the invention series heating system power supply point can be 20 kilometers of indusion tube diatoms heating, and most high maintenance temperature can reach 230 DEG C, and the anti-condensation solution being successfully applied to gathering system solidifying on.
The working principle of magnetic induction is as follows: when electric current in two conductors each other reverse flow time, electric current can concentrate on the flowing of conductor adjacent side, namely the present invention is the above-mentioned physical property utilizing conductor, makes K-OT electric induction intelligence oil/water liquid-transport pipe-line heating system safe and reliable to operation.
System power provided by the invention exists: 24 ~ 2600kW; Temperature controller can realize the function of numerical monitor/teletransmission/control far away; Native system operating voltage is: 380 ~ 5300V;
The longest loop of native system application can be 12km, maximum operation temperature: 230 DEG C, and temperature controls progress: +/-5 DEG C, adjustable pipe warming velocity: 60 DEG C/hr; Installation environment: outdoor explosion-proof environment; The system life-span: 20 years.
The Intelligent heating system of liquid-transport pipe-line provided by the invention, all undesirable the comparing of effect that the heating system of liquid-transport pipe-line of the prior art condenses into the problem of solid at prevention and solution fluid transfer medium under the environment that temperature is lower can also bring following advantage:
1, at pipe interior, compared with other mode of heatings, heat energy does not have loss to heating cable (namely import cable and derive cable), has all been directly passed to liquid medium, the most energy-conservation.
2, cable adopts fluoropolymer insulation and protection, and Multi-layer design, has high temperature resistant and anticorrosion properties.
3, the stainless steel mask net of coverage scale 95% improves cable tensile strength in the presence of a harsh environment and elongation percentage.
4, system adopts heating design in pipe, and buried pipeline can complete installation or the replacing of K cable without the need to excavating construction.
5, the most high maintenance temperature 230 DEG C of pipeline, Safety Redundancy is large.
6, single-point is powered, and can cover 12km indusion tube diatom.
7, pipeline adopts multipoint earthing to protect outward, guarantees that security of system is reliable.
8, each system designs separately, guarantees system optimum performance and effect.
9, one or more temp probe is set on liquid-transport pipe-line, temperature signal flows to control system by electronic temperature controller, system meeting continuous surveillance pipe temperature, and contrast with reference signal (setting temperature) to the received signal, when line temperature is higher than setting value, system " closedown "; When line temperature is lower than setting value, system " startup ", circulates with this, makes pipe temperature keep constant.
10, control system has low temperature, high temperature alarm touches and overcurrent is protected, and remote control function.
11, the heat energy that the control system of closed loop is required under providing and maintaining pipe temperature setting value.
12 control system have low temperature, high temperature alarm touches and overcurrent protection, and remote control function.
13, closed loop control system has automatically and Non-follow control two kinds of patterns.
14, manual mode is applicable to the startup of electrical system, maintenance test and troubleshooting process.When using MANUAL CONTROL mode, system can continue heating, and temperature controller is inoperative, and temperature indicator and alarm are by running order.In a manual mode, the running state of necessary continuous surveillance system 15, system.
16, electrically control provides necessary control and function instruction for control system.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logical function to divide, actual can have other dividing mode when realizing, again such as, multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some communication interfaces, and the INDIRECT COUPLING of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technological scheme of the present invention contributes to prior art in essence in other words or this technological scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a heating system for intelligent transfusion pipeline, is characterized in that, comprising: heating equipment, control gear and power supply unit; Described heating equipment comprises liquid-transport pipe-line;
Described heating equipment, for the heat energy utilizing the alternating current (a.c.) flowing through described liquid-transport pipe-line to produce, and heats the liquid medium in described liquid-transport pipe-line in conjunction with Skin effect;
Control gear, when the heating system of described intelligent transfusion pipeline powers on, generates control signal, for controlling the working state of described heating equipment according to the control command received;
Power supply unit, for powering for described heating equipment and described control gear.
2. the heating system of intelligent transfusion pipeline according to claim 1, is characterized in that, described heating equipment comprises two fixing devices and high-temperature cable; Described fixing device comprises: head end fixing device and tail end fixing device;
Two described fixing devices are separately positioned on head end and the tail end of described liquid-transport pipe-line, and become predetermined angle to arrange with described liquid-transport pipe-line; One end of described high-temperature cable is electrically connected with described control gear by described head end fixing device, and its other end passes the inside of described liquid-transport pipe-line and enters described tail end fixing device and be fixedly connected with described tail end fixing device.
3. the heating system of intelligent transfusion pipeline according to claim 1, is characterized in that, described heating equipment comprises the carrier liquid-transport pipe-line of two preset length, fixing device and high-temperature cable; Described fixing device comprises: head end fixing device and tail end fixing device;
Described carrier liquid-transport pipe-line is provided with a described head end fixing device and a described tail end fixing device, and described head end fixing device becomes predetermined angle to arrange with described tail end fixing device with described carrier liquid-transport pipe-line; Described carrier liquid-transport pipe-line is used for and described liquid-transport pipe-line Flange joint; One end of described high-temperature cable is electrically connected with described control gear by head end fixing device, and its other end passes a described carrier liquid-transport pipe-line, enters described tail end fixing device and be fixedly connected with described tail end fixing device.
4. the heating system of the intelligent transfusion pipeline according to Claims 2 or 3, is characterized in that, described high-temperature cable comprises: cable core, isolation layer, mask net and oversheath;
Mask net is set outside described cable core isolation layer in order to improve tensile strength and the elongation percentage of described cable; Described mask net outer cover is connected to described oversheath, in order to protect the impact of described cable shield and insulation opposing liquid.
5. the heating system of intelligent transfusion pipeline according to claim 4, is characterized in that, also comprise sealed member;
Described head end fixing device and described tail end fixing device include an opening end; Opening end described in each is provided with one or more described sealed member, for described opening end sealing being arranged.
6. the heating system of intelligent transfusion pipeline according to claim 5, is characterized in that, described sealed member is seal ring;
Described head end fixing device inside is provided with the hollow chamber matched with described seal ring, and described seal ring, as in described hollow chamber, extrudes described head end fixing device and described high-temperature cable; Described high-temperature cable is used for through described hollow chamber, is electrically connected with described control gear;
Described tail end fixing device inside is provided with the hollow chamber matched with described seal ring, and described seal ring, as in described hollow chamber, extrudes described tail end fixing device and described high-temperature cable; Described high-temperature cable is for being fixedly installed on described tail end fixing device through described hollow chamber.
7. the heating system of intelligent transfusion pipeline according to claim 6, is characterized in that, also comprise thermal insulation layer;
The outer installment of described liquid-transport pipe-line has described thermal insulation layer, is filled with thermal insulating material in described thermal insulation layer, in order to reduce liquid-transport pipe-line rate of heat removal and heat radiation time.
8. the heating system of intelligent transfusion pipeline according to claim 7, is characterized in that, also comprises Spot Cooling terminated line case;
High-temperature cable in described heating equipment is electrically connected with described control gear by described Spot Cooling terminated line case, and described Spot Cooling terminated line case is used for the temperature of described high-temperature cable to be adjusted to normal temperature temperature.
9. the heating system of intelligent transfusion pipeline according to claim 1, is characterized in that, described control gear comprises:
Temperature control modules, for arranging control signal corresponding to instruction according to the instruction generation that arranges received with described;
Power conditioning module, for regulating the output power of described alternating current (a.c.) according to described control signal.
10. the heating system of intelligent transfusion pipeline according to claim 9, is characterized in that, described control gear also comprises:
At least one temp probe; Described temp probe is arranged on described liquid-transport pipe-line, for the temperature information of liquid-transport pipe-line described in Real-time Obtaining;
Temperature transducer, for the temperature information of the described liquid-transport pipe-line that temp probe described in real-time reception sends;
Described control gear also comprises alarm module and power supply protection circuit;
Described power supply protection circuit, when detecting that the electric current in normal work exceedes preset range, sends information to described temperature control modules;
Described temperature control modules, generates alarm command according to the described information received and/or when detecting that described temperature information does not mate with preset temperature information, generates alarm command;
Described alarm module, for reporting to the police according to described alarm command;
Described control gear also comprises communication module, for realizing data communication with remote control terminal; Wherein, described remote control terminal is used for real-time reception and shows the data information of the control gear that communication module sends, and monitors and telecontrol control gear according to data information.
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| CN108035691A (en) * | 2018-01-12 | 2018-05-15 | 科莱斯（天津）电热科技有限公司 | A kind of high-pressure well mouth T cables draw sealing three-way device |
| CN108566694A (en) * | 2017-12-08 | 2018-09-21 | 唯真（廊坊）石油科技股份有限公司 | A kind of client cables |
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